Finding the Fourth Proportional to 126,314.04, 189,490.50 and 42,045.30

Step by Step Solution

1. Step 1: Write the proportion equation
   126,314.04 : 189,490.50 = 42,045.30 : x
2. Step 2: Convert to fraction form
   126,314.04/189,490.50 = 42,045.30/x
3. Step 3: Cross multiply
   126,314.04x = 189,490.50 × 42,045.30
4. Step 4: Simplify right side
   126,314.04x = 7,967,184,919.65
5. Step 5: Solve for x
   x = 7,967,184,919.65/126,314.04
6. Step 6: Final answer
   x = 63,074.42